Traffic congestion is now widespread on freeways and arterials in most urban areas. The Federal Highway Administration estimates that more than 65 percent of urban freeways are congested during peak periods, creating more than 2 billion vehicle-hr of delay and user costs in excess of $15.9...

As cars proliferated during this century, people came to rely on them more, creating a spiraling dependency. As dependence on cars increased, cars began to dominate land use patterns and transportation infrastructure. Streets were made wider and sidewalks narrower or non-existent. Now, most...

Most cars carry one person and are used for less than one hour per day. A more economically rational approach would be to use vehicles more intensively. Carsharing, in which people pay a subscription plus a per-use fee, is one means of doing so. Carsharing may be organized through affinity...

The search for petroleum alternatives is not new. Ever since the turn of the century, when petroleum became the dominant transportation fuel, authoritative sources have warned occasionally of impending oil shortages (1, 2). When oil prices rose or oil depletion seemed imminent, interest and...

“Sustainable Transportation: The Future of the Automobile in an Environmentally Constrained World†has analyzed the nature of the problems confronting the transportation systems of industrialized countries. We seek to understand how travel and energy use for travel (and freight) is...

This report explores the incentives currently available for the production, sale, and use of neighborhood electric vehicles (NEVs), and suggests other incentives that could be implemented. NEV incentives are needed because the use of NEVs on a large scale would provide significant air quality...

Motor vehicles generate large benefits for society but also cause large adverse impacts. Many of those impacts can be mitigated with a variety of new and improved technologies. In this report, we focus on electric-drive vehicle technology; we assess their desirability in Sweden, and explore the...